﻿//
// LambdaCompiler.cs
//
// Author:
//   Jb Evain (jbevain@novell.com)
//
// (C) 2010 Novell, Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Linq.Expressions;

namespace Autofac.Util.WindowsPhone.Expressions {

	///<summary>
	///</summary>
	internal static class LambdaCompiler {

		internal static Delegate Compile (this LambdaExpression lambda, ExpressionInterpreter interpreter)
		{
			if (lambda == null)
				throw new ArgumentNullException ("lambda");

			return new Runner (lambda, interpreter).CreateDelegate ();
		}

		///<summary>
		///</summary>
		public static Delegate Compile (this LambdaExpression lambda)
		{
			if (lambda == null)
				throw new ArgumentNullException ("lambda");

			return new Runner (lambda).CreateDelegate ();
		}

		///<summary>
		///</summary>
		public static T Compile<T> (this Expression<T> expression)
		{
			if (expression == null)
				throw new ArgumentNullException ("expression");

			return (T) (object) Compile (expression as LambdaExpression);
		}
	}
}
